Container holder



FIG. 1 is a perspective view of a container holder showing my new design, the cup and strap shown in broken lines for illustrative purposes only;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a container holder, as shown and described. 